code: def register(cls, parser: argparse.ArgumentParser):
      super().register(parser)
      parser.add_argument(
          "-p",
          "--port",
          type=port_mapping,
          action="append",
          help="Exposed port or mapping",
          dest="ports",
          metavar="MAPPING",
      )
  
imports: import argparse
  import re
  import subprocess
  from typing import Dict, List, Optional, Tuple, Type
  from dstack._internal.cli.utils.common import console
  from dstack._internal.core.errors import ConfigurationError
  from dstack._internal.core.models.configurations import BaseConfiguration, BaseConfigurationWithPorts, ConfigurationType, DevEnvironmentConfiguration, PortMapping, ServiceConfiguration, TaskConfiguration
  from dstack._internal.utils.interpolator import VariablesInterpolator
label_desc: Use image node_id 1 for calling the RunWithPortsConfigurator obj's underlying member method code with example usage: obj.register(cls, parser) without return types